20380147179

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8155321}}^1$

素因数の和:8155355

約数の個数: 24

約数和(自身を含む): 33469441488

約数和(自身を除く): 13089294309

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8155321, 24465963, 57087247, 138640457, 171261741, 399610729, 415921371, 970483199, 1198832187, 2911449597, 6793382393, 20380147179]

約数ペア:

[(1, 20380147179), (3, 6793382393), (7, 2911449597), (17, 1198832187), (21, 970483199), (49, 415921371), (51, 399610729), (119, 171261741), (147, 138640457), (357, 57087247), (833, 24465963), (2499, 8155321)]